THIRD QUARTER SUMMATIVE TEST PART I_CHEMISTRY

Which of the following refers to the fundamental unit of an element that retains its chemical properties?

                                       

•     Atom          

•      Compound

•    Molecule    

• Proton

What is the term for the return of water to the Earth's surface in the form of rain, snow, sleet, or hail?

                                                         

• Infiltration 

• Precipitation   

• Runoff

• Transpiration

What process involves the direct conversion of water vapor into liquid water droplets in the atmosphere during the water cycle?

                                      

• Condensation    

• Evaporation   

•   Precipitation 

• Sublimation

Which of the following processes indicates that energy (in the form of heat) is being released?

         

          

•   melting of ice

• boiling of water

•  photosynthesis

•   burning of wood

During which process indicates that energy (in the form of heat) is being absorbed?

• melting ice

• candles burning

• iron nails rusting

• vegetables rotting

 What phase change happens when water droplets are found outside the glass of a cold water, there is a change from _____ to _____ ?

                                                     

• gas to liquid          

• liquid to gas 

• gas to solid

• solid to gas

How do we classify the phase change in matter if we put water in the freezer of the refrigerator?

                                              

• Deposition   

• Evaporation 

•   Freezing       

• Melting

When dry ice (CO₂) is placed on top of the table, after a couple of minutes there is no dry ice left. What change in state of matter occurred, from _____ to _____?

                                                

• solid to liquid  

• liquid to gas

• gas to solid

• solid to gas

What phase change is evident in the ice cream when, after some time, it becomes liquid?

                           

• Condensation  

• Deposition  

• Evaporation  

• Melting

Which phase change in matter involves an absorption of heat?

                              

• Condensation

• Deposition 

• Evaporation  

• Freezing